Audi R8 Front Right Wishbone Control Arm O/S 420407507

The front right suspension control arm for Audi R8 is a component from the Control Arms and Ball Joints group, designed for the passenger side front suspension. It is responsible for precise wheel guidance, driving stability, and correct geometry, which translates to predictable vehicle behavior and safe handling at higher speeds.

Specifications and technical data

• SKU: 420407507
• Mark: Audi
• Condition: Used
• OEM Part Number: 420407507
• Substitutable numbers: 420407507, 420 407 507, 420 407 505 E, 420407505E
• Location on the vehicle: Front, Right
• Part type: Control Arm & Ball Joint Assembly
• Category: Control Arms, Ball Joints & Assemblies

Application and Function in the Audi R8 Suspension

This front right control arm is a key link in the multi-link system of the Audi R8, responsible for maintaining the correct position of the wheel hub relative to the body. Thanks to its rigid yet appropriately flexible construction, this component:

• stabilizes the wheel in the horizontal and vertical planes during acceleration, braking, and cornering,
• maintains the set toe and camber angles,
• reduces unwanted vibrations transmitted to the body and steering system.

The vehicle location specified as front – right side clearly identifies the mounting position in the car and avoids errors in part selection.

Construction and Compatibility with the Suspension System

The control arm has been specifically designed to work with the Audi front suspension, maintaining the factory mounting points to the body and steering knuckle. The appropriate arm geometry ensures:

• proper operation of the ball joint throughout the full suspension travel range,
• compatibility with standard accompanying elements (springs, shock absorbers, stabilizer bar),
• correct transfer of loads from the wheel to the body structure.

This allows for a near-factory installation without the need for modifications to other suspension components.

Condition, Origin, and Benefits of Using a Used Part

The offered control arm is a used part, sourced from disassembly, which allows for economical repair while maintaining the original Audi design specifications. Compared to low-cost aftermarket alternatives, an OEM part typically offers:

• better fit to the body and steering knuckle,
• consistent performance characteristics with other suspension components,
• retention of factory handling and ride comfort parameters.

This solution is particularly beneficial for repairs of sports cars, where driving precision and predictable vehicle response are crucial.

Installation and Maintenance Tips

When replacing the front right control arm on an Audi R8, it is advisable to pay attention to several technical aspects to fully utilize the part's potential:

• perform the installation while adhering to the tightening torques recommended by the vehicle manufacturer,
• after replacement, carry out a suspension geometry alignment to restore the correct wheel settings,
• inspect the condition of other components from the Control Arms and Ball Joints group on both sides of the axle to avoid asymmetry in suspension operation.

This approach helps maintain consistent vehicle behavior on the road and reduces uneven tire wear.

If you are planning a comprehensive repair or upgrade of the front suspension area on your Audi and require other parts from the same group, such as additional control arms, ball joints, or mounting elements, check the available parts in the Audi Control Arms and Ball Joints category.

More Knowledge About the Suspension System

To better understand the role of control arms in the operation of the entire chassis and the relationships between shock absorbers, control arms, and stabilizer bars, it is worth consulting specialized technical materials. Practical tips for diagnostics and maintenance can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizer Bars, which helps in making informed decisions about suspension repairs and maintenance.

Summary

The front right suspension control arm for the Audi R8 is a component designed for precise wheel guidance and maintaining the correct geometry of the front axle. Using an original, used part from the Control Arms and Ball Joints group allows for the restoration of the vehicle's proper driving characteristics, preserving the manufacturer's intended performance while optimizing repair costs.